The rules are as follows:
1. The top two in each group qualify and enter the second stage of elimination.
A. Points obtained (win 3 points; Ping 1 min; Negative 0 points)
B. Number of goals conceded
C. More goals
The above three items failed to determine the qualifying team, so the following items were decided.
D Team scores (win 3 points; Ping 1 min; Negative 0 points)
E. the number of goals conceded by the participating teams.
F. The number of goals scored by the relevant teams is relatively high.
G. it shall be decided by drawing lots by the general assembly.